1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com>
4 */
5
6/dts-v1/;
7#include "bcm2835.dtsi"
8#include "bcm2835-rpi.dtsi"
9#include "bcm283x-rpi-usb-otg.dtsi"
10
11/ {
12	compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
13	model = "Raspberry Pi Zero W";
14
15	chosen {
16		/* 8250 auxiliary UART instead of pl011 */
17		stdout-path = "serial1:115200n8";
18	};
19
20	leds {
21		act {
22			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
23		};
24	};
25
26	wifi_pwrseq: wifi-pwrseq {
27		compatible = "mmc-pwrseq-simple";
28		reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
29	};
30};
31
32&gpio {
33	/*
34	 * This is based on the official GPU firmware DT blob.
35	 *
36	 * Legend:
37	 * "NC" = not connected (no rail from the SoC)
38	 * "FOO" = GPIO line named "FOO" on the schematic
39	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
40	 */
41	gpio-line-names = "ID_SDA",
42			  "ID_SCL",
43			  "SDA1",
44			  "SCL1",
45			  "GPIO_GCLK",
46			  "GPIO5",
47			  "GPIO6",
48			  "SPI_CE1_N",
49			  "SPI_CE0_N",
50			  "SPI_MISO",
51			  "SPI_MOSI",
52			  "SPI_SCLK",
53			  "GPIO12",
54			  "GPIO13",
55			  /* Serial port */
56			  "TXD0",
57			  "RXD0",
58			  "GPIO16",
59			  "GPIO17",
60			  "GPIO18",
61			  "GPIO19",
62			  "GPIO20",
63			  "GPIO21",
64			  "GPIO22",
65			  "GPIO23",
66			  "GPIO24",
67			  "GPIO25",
68			  "GPIO26",
69			  "GPIO27",
70			  "SDA0",
71			  "SCL0",
72			  "NC", /* GPIO30 */
73			  "NC", /* GPIO31 */
74			  "NC", /* GPIO32 */
75			  "NC", /* GPIO33 */
76			  "NC", /* GPIO34 */
77			  "NC", /* GPIO35 */
78			  "NC", /* GPIO36 */
79			  "NC", /* GPIO37 */
80			  "NC", /* GPIO38 */
81			  "NC", /* GPIO39 */
82			  "CAM_GPIO1", /* GPIO40 */
83			  "WL_ON", /* GPIO41 */
84			  "NC", /* GPIO42 */
85			  "WIFI_CLK", /* GPIO43 */
86			  "CAM_GPIO0", /* GPIO44 */
87			  "BT_ON", /* GPIO45 */
88			  "HDMI_HPD_N",
89			  "STATUS_LED_N",
90			  /* Used by SD Card */
91			  "SD_CLK_R",
92			  "SD_CMD_R",
93			  "SD_DATA0_R",
94			  "SD_DATA1_R",
95			  "SD_DATA2_R",
96			  "SD_DATA3_R";
97
98	pinctrl-0 = <&gpioout &alt0>;
99};
100
101&hdmi {
102	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
103};
104
105&sdhci {
106	#address-cells = <1>;
107	#size-cells = <0>;
108	pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
109	mmc-pwrseq = <&wifi_pwrseq>;
110	non-removable;
111	status = "okay";
112
113	brcmf: wifi@1 {
114		reg = <1>;
115		compatible = "brcm,bcm4329-fmac";
116	};
117};
118
119&uart0 {
120	pinctrl-names = "default";
121	pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
122	status = "okay";
123
124	bluetooth {
125		compatible = "brcm,bcm43438-bt";
126		max-speed = <2000000>;
127		shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
128	};
129};
130
131&uart1 {
132	pinctrl-names = "default";
133	pinctrl-0 = <&uart1_gpio14>;
134	status = "okay";
135};
136